<!DOCTYPE html>
<html lang="zh-cn">
    <head>
        <meta charset="UTF-8"/>
        <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
        <title>Document</title>

    </head>
    <body>
        <form class="cmxform" id="signupForm" method="get" action="">
          <fieldset>
            <legend>验证完整的表单</legend>
            <p>
              <label for="firstname">名字</label>
              <input id="firstname" name="firstname" type="text">
            </p>
            <p>
              <label for="lastname">姓氏</label>
              <input id="lastname" name="lastname" type="text">
            </p>
            <p>
              <label for="username">用户名</label>
              <input id="username" name="username" type="text">
            </p>
            <p>
              <label for="password">密码</label>
              <input id="password" name="password" type="password">
            </p>
            <p>
              <label for="confirm_password">验证密码</label>
              <input id="confirm_password" name="confirm_password" type="password">
            </p>
            <p>
              <label for="email">Email</label>
              <input id="email" name="email" type="email">
            </p>
            <p>
              <label for="agree">请同意我们的声明</label>
              <input type="checkbox" class="checkbox" id="agree" name="agree">
            </p>
            <p>
              <label for="newsletter">我乐意接收新信息</label>
              <input type="checkbox" class="checkbox" id="newsletter" name="newsletter">
            </p>
            <fieldset id="newsletter_topics">
              <legend>主题 (至少选择两个) - 注意：如果没有勾选“我乐意接收新信息”以下选项会隐藏，但我们这里作为演示让它可见</legend>
              <label for="topic_marketflash">
                <input type="checkbox" id="topic_marketflash" value="marketflash" name="topic">Marketflash
              </label>
              <label for="topic_fuzz">
                <input type="checkbox" id="topic_fuzz" value="fuzz" name="topic">Latest fuzz
              </label>
              <label for="topic_digester">
                <input type="checkbox" id="topic_digester" value="digester" name="topic">Mailing list digester
              </label>
              <label for="topic" class="error">Please select at least two topics you'd like to receive.</label>
            </fieldset>
            <p>
              <input class="submit" type="submit" value="提交">
            </p>
          </fieldset>
        </form>
        <script src="http://static.runoob.com/assets/jquery-validation-1.14.0/lib/jquery.js"></script>
        <script src="http://static.runoob.com/assets/jquery-validation-1.14.0/dist/jquery.validate.min.js"></script>
        <script>
        $().ready(function() {
        // 在键盘按下并释放及提交后验证提交表单
          $("#signupForm").validate({
              rules: {
                firstname: "required",
                lastname: "required",
                username: {
                  required: true,
                  minlength: 2
                },
                password: {
                  required: true,
                  minlength: 5
                },
                confirm_password: {
                  required: true,
                  minlength: 5,
                  equalTo: "#password"
                },
                email: {
                  required: true,
                  email: true
                },
                topic: {
                  required: "#newsletter:checked",
                  minlength: 2
                },
                agree: "required"
              },
              messages: {
                firstname: "请输入您的名字",
                lastname: "请输入您的姓氏",
                username: {
                  required: "请输入用户名",
                  minlength: "用户名必需由两个字母组成"
                },
                password: {
                  required: "请输入密码",
                  minlength: "密码长度不能小于 5 个字母"
                },
                confirm_password: {
                  required: "请输入密码",
                  minlength: "密码长度不能小于 5 个字母",
                  equalTo: "两次密码输入不一致"
                },
                email: "请输入一个正确的邮箱",
                agree: "请接受我们的声明",
                topic: "请选择两个主题"
              }
          });
        });
        </script>
    </body>
</html>